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Transient Exciplex Formation Electron Transfer Mechanism
Joint Authors
Kuzmin, Michael G.
Dolotova, Elena V.
Soboleva, Irina V.
Source
Advances in Physical Chemistry
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-18, 18 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-02-22
Country of Publication
Egypt
No. of Pages
18
Main Subjects
Abstract EN
Transient exciplex formation mechanism of excited-state electron transfer reactions is analyzed in terms of experimental data on thermodynamics and kinetics of exciplex formation and decay.
Experimental profiles of free energy, enthalpy, and entropy for transient exciplex formation and decay are considered for several electron transfer reactions in various solvents.
Strong electronic coupling in contact pairs of reactants causes substantial decrease of activation energy relative to that for conventional long-range ET mechanism, especially for endergonic reactions, and provides the possibility for medium reorganization concatenated to gradual charge shift in contrast to conventional preliminary medium and reactants reorganization.
Experimental criteria for transient exciplex formation (concatenated) mechanism of excited-state electron transfer are considered.
Available experimental data show that this mechanism dominates for endergonic ET reactions and provides a natural explanation for a lot of known paradoxes of ET reactions.
American Psychological Association (APA)
Kuzmin, Michael G.& Soboleva, Irina V.& Dolotova, Elena V.. 2012. Transient Exciplex Formation Electron Transfer Mechanism. Advances in Physical Chemistry،Vol. 2011, no. 2011, pp.1-18.
https://search.emarefa.net/detail/BIM-500160
Modern Language Association (MLA)
Kuzmin, Michael G.…[et al.]. Transient Exciplex Formation Electron Transfer Mechanism. Advances in Physical Chemistry No. 2011 (2011), pp.1-18.
https://search.emarefa.net/detail/BIM-500160
American Medical Association (AMA)
Kuzmin, Michael G.& Soboleva, Irina V.& Dolotova, Elena V.. Transient Exciplex Formation Electron Transfer Mechanism. Advances in Physical Chemistry. 2012. Vol. 2011, no. 2011, pp.1-18.
https://search.emarefa.net/detail/BIM-500160
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-500160